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Re: Velobuild VB-R-168 Frame
ahahha yeah, pretty sure I sent Chris one of your photos for painting purposes. When I saw your build, it was one of the reasons I ordered the frame and wheels. Nice! It is a lovely colour and finish indeed. Zdrenka89 this is your bike right? https://www.instagram.com/p/Ca3IkZBvkNm/?utm_source=ig_web_copy_link Correct 
March 11, 2022, 01:35:37 AM |
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Re: Velobuild GF-002
Looks great!
April 05, 2022, 02:59:58 AM |
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Re: Velobuild VB-R-168 Frame
Regarding the handlebars: I was skeptical too at first but I have grown to like them quite a bit. I'm not concerned strength wise anymore - I have done countless 1200W sprints and written the bike on hundreds of kilometers of bumpy gravel. Actually the vertical compliance does give some subtle dampening to the ride which is nice. (I'm 88 kg for reference) One thing that bugged me was some creaking from the headset even though it was tight. A bit of grease on the surface between the spacers solved it. Make sure to not get grease on the steerer tube 
April 25, 2022, 12:53:08 AM |
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Re: Velobuild VB-R-168 Frame
Lateral stiffness is important because during a sprint, the wheels are no longer constantly vertical. So the force pushing the wheels can cause flex if the wheels aren't stiff laterally enough. This is true for rim brakes... but not for discs. A centerlock rotor only has a connection with the hub and so any deflection that causes brake rub would have to occour in the bearings or the hub shell which is unlikely to contribute much if anything. However, more likely it is the forks deflection during a sprint that is causing the brake rub. However it is a general carbon road bike problem and not a chinese carbon frame problem as stated previously. April 28, 2022, 03:30:35 AM |
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Re: Velobuild VB-R-168 Frame
I've done 6000+ km on that bottom bracket in the last year. Gravel and road. No problems so far.
September 23, 2022, 04:39:44 AM |
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Re: Race oriented gravel frame?
VeloBuild just announced a new CX frame. Tempted to switch over from my newly built GF-002 to the new CX-002 for the more race oriented geometry. This is right up my ally. I think they really read the marked well on this one. There is a gap in the (chinese frame) marked for this type of bike. September 23, 2022, 04:44:21 AM |
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Re: Velobuild VB-R-168 Frame
I have had some increasing issues with my headset recently. Lots of creaking no matter what I did. After inspection is was clear that the C-ring was the culprit (as others have discovered). It just doesn't have enough wrap-around angle. You can see on the picture how much pressure is on the edges of the c-ring, causing rubbing and creaking. I know Velobuild have made an updated version that might be better, but i wanted a significantly better version. My idea was to use the c-ring from the Specialized SL7 (the replacement after recall). It seems like a good design that wraps all the way around (95%) but doesnt need the hydraulic lines to be broken. The main problem is that it is made for a Ø40.5mm inner dimension bearing. Its also too thin to be a direct replacement. Sourcing the SL7 c-ring (ID: s212500016) was a bit of a pain. Specialized was slow to send it to my local dealer (3 weeks). On top of that the price was high (35$ + shipping) and the customer service was terrible. The holy trifecta of a shit deal - but it worked out in the end. I work in engineering so I called in favor to get the c-ring lathed down to Ø40 (a little tricky with an open ring) and I got a small spacer made for purpose. Spacer measurements are Ø30.9 x Ø28.9 x 2mm (stainless steel). Fits just as intended with the one piece handlebar. I have gone for a couple of rides now and I cant get a single creak out of the headset no mater how much I pull and twist on the bars. Dear Velobuild - Please spend the extra $10-15 dollars on a proper c-ring design like this one. It is sooo much better. Original C-ring. Waaay to open.  You can see that so much of the load is going through the edge of the ring.  Lathed c-ring from SL7 + spacer  Spacer needs to be very small to not squeze the cables.   Gap between frame and cover is pretty good. You can shave of a couple of 0.1mm if you want it tight.  May 03, 2023, 06:46:45 AM |
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Re: Velobuild VB-R-168 Frame
The C Ring is way too stiff since its just massive. Due to that, the headset needs to be compressed with a lot higher force than its made for in order to cause the elastic deformation of the C clip which is needed to close the gap between inner bearing ring and fork tube (which is what it is all about in order to avoid headset play). Good observations and definitely true. I cant believe so many Chinese framesets use this C-ring design. To stiff and too open. All this compression on this C-ring will just end up scoring your headset bearings. May 09, 2023, 04:10:25 AM |
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Re: Velobuild VB-R-168 Frame
Make sure you tell that to Velobuild. More people saying that can only mean change for the better.
May 16, 2023, 02:09:17 AM |
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Re: Speeder SC-R48
Lovely bike. Congrats, but never seen that level of drivetrain mixing  How does it shift? July 04, 2023, 02:22:15 AM |
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